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Director of Linux Foundation IT. Currently in charge of kernel.org infra.

This account is for Linux/Kernel/FOSS topics in general: #linux, #kernel, #foss, #git, #sysadmin, #infrastructure.

For my personal account, please follow @monsieuricon@castoranxieux.ca.

Montréal, Québec, Canada 🇨🇦🇺🇦
monsieuricon

K. Ryabitsev

Reply to @justin@toot.io
@justin @djh it doesn't seem to make any difference what code we return -- my guess is that we're just one of the sites the check hits. If it gets an error, it just checks a different site.
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K. Ryabitsev

Reply to @bladecoder@androiddev.social
@bladecoder not quite -- the requests are http, not https. Also, I doubt there are tens of millions of daily NewPipe users out there. :)
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K. Ryabitsev

Reply to @palmer
@palmer lol, I'll try this. :)
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K. Ryabitsev

Jeg er veldig smart.

Don't ask me why I'm learning Norsk, it's a secret, but my Duo username may give a hint.
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K. Ryabitsev

Reply to @srtcd424@mas.to
@srtcd424 @bencardoen @tony this would be a lot of work for not obvious gain. My guess is that we're not the only host they check, so this may go completely unnoticed by the app makers, so we'll spend a lot of effort for minimal gain.
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K. Ryabitsev

Reply to @josh@joshanders.com
@josh Good guess, I do see significantly more of this traffic on our Singapore and Amsterdam nodes.
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K. Ryabitsev

Reply to
@tony @bencardoen Yes, that's my current suspect as well -- some popular Android clone either on mobile or some set-top box. The number of unique IPs is in tens of millions, so it's probably a mobile app.
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K. Ryabitsev

Reply to @bencardoen@mstdn.science
@bencardoen Trouble is, I'm usually seeing the IP of the NAT routing endpoint, not the actual device, so this doesn't tell me very much.
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K. Ryabitsev

Reply to @djh@chaos.social
@djh I thought about that, but my firewall match table would get huge and it would cause problems in itself. That's 12,000,000 unique IPs just on one single node.
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K. Ryabitsev

Reply to
@artandtechnic It doesn't look like that -- the only records I have from the IPs that do that is that one GET /. They may or may not come back a few times a day, but nothing definitive.
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K. Ryabitsev

Reply to @monsieuricon
I do have a solution in mind if it gets bad -- we already have cdn.kernel.org going through Fastly, so I will just point www.kernel.org to go through there, too. I am mostly perplexed and unamused that someone's quick thoughtless hack is starting to cause us problems.
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K. Ryabitsev

x.x.x.x - - [10/Nov/2024:00:02:37 +0000] "GET / HTTP/1.1" 301 162 "-" "okhttp/4.9.0"

You know what’s interesting about this log line? It repeats 56,686,963 times in www.kernel.org logs for yesterday, across 4 nodes. That’s about 700 times a second, and this has been going on for months.

These requests aren’t intentionally malicious – they issue a simple GET /, receive their 301 redirect, and terminate the connection. From what I can tell, this is some kind of appliance or software installed on mobile clients that uses “can I reach www.kernel.org” as a network test.

This wouldn’t be that big of a deal – a single plaintext “GET /“ that triggers an immediate 301 is very cheap for us to generate, but the number of these requests has been steadily growing.

If you have any idea what this is and how to make it stop, please reach out?

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K. Ryabitsev

Reply to @olivvybee@honeycomb.engineer
@olivvybee That strikes a chord, but don't fret -- I'm sure it's just A minor setback.
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K. Ryabitsev

Reply to @lkundrak@metalhead.club
@lkundrak I know, I now actually have to be productive for the rest of the day and can't use the excuse of needing to fix my workstation to procrastinate.
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K. Ryabitsev

Update to Fedora-41 was completely uneventful.
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K. Ryabitsev

Reply to @oleksandr@natalenko.name
@oleksandr not .arj?
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K. Ryabitsev

Reply to @tivasyk@mastodon.social
@tivasyk эпоха трёх ёбнутых дедов -- Трамп, Си и Путин.
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the_etrain@beige.party

Staff Chief of Joints

Not now honey. Daddy's checking to see if anyone liked the stupid joke he posted on the internet.

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K. Ryabitsev

Reply to @spot@social.afront.org
@spot they turned us down in the past, but I can try again for sure.
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K. Ryabitsev

Reply to @boramalper@mastodon.social
@boramalper it's super expensive to run and the only reason we can afford it is because it was donated by Equinix. E.g. we need 70TB of fast random access storage and terabytes of bandwidth every hour. Times four worldwide frontends.
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